diff --git a/hera-core/pom.xml b/hera-core/pom.xml
index 806096a..6fe5ec2 100644
--- a/hera-core/pom.xml
+++ b/hera-core/pom.xml
@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.synyx.hera</groupId>
 	<artifactId>hera-core</artifactId>
-	<version>0.5-SNAPSHOT</version>
+	<version>0.4-SNAPSHOT</version>
 
 	<name>Hera Core</name>
 	<description>Core plugin infrastructure</description>
@@ -10,7 +10,7 @@
 	<parent>
 		<artifactId>hera</artifactId>
 		<groupId>org.synyx.hera</groupId>
-		<version>0.5-SNAPSHOT</version>
+		<version>0.4-SNAPSHOT</version>
 	</parent>
 
 	<properties>
diff --git a/hera-metadata/pom.xml b/hera-metadata/pom.xml
index 19c5b96..44dd442 100644
--- a/hera-metadata/pom.xml
+++ b/hera-metadata/pom.xml
@@ -2,7 +2,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.synyx.hera</groupId>
 	<artifactId>hera-metadata</artifactId>
-	<version>0.5-SNAPSHOT</version>
+	<version>0.4-SNAPSHOT</version>
 
 	<name>Hera Metadata Extension</name>
 	<description>Extension package for metadata based plugins</description>
@@ -10,14 +10,14 @@
 	<parent>
 		<artifactId>hera</artifactId>
 		<groupId>org.synyx.hera</groupId>
-		<version>0.5-SNAPSHOT</version>
+		<version>0.4-SNAPSHOT</version>
 	</parent>
 
 	<dependencies>
 		<dependency>
 			<groupId>org.synyx.hera</groupId>
 			<artifactId>hera-core</artifactId>
-			<version>0.5-SNAPSHOT</version>
+			<version>0.4-SNAPSHOT</version>
 		</dependency>
 
 		<dependency>
diff --git a/pom.xml b/pom.xml
index 9786df0..535198c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <artifactId>hera</artifactId>
   <packaging>pom</packaging>
   <name>Hera</name>
-  <version>0.5-SNAPSHOT</version>
+  <version>0.4-SNAPSHOT</version>
   <description>Simple plugin infrastructure</description>
   
   <organization>